jennifer? >> thanks for joining us. we'll have another update in 25 minutes. >>> good morning. center stage. sarah palin firing up a crowd in iowa. it is the traditional starting line in the race for president, so is palin ready to run? >>> crossing the line, after his daughter was allegedly bullried. an outraged father takes matters into his own hands, going after students on a school bus. police say he went too far. now the question, what would you do? >>> and failing the test. just a few weeks after being released from rehab, lindsay lohan says she failed her latest drug test. could she be heading back to jail? a new setback for the troubled star "today," saturday, a new setback for the troubled star "today," saturday, september 18th, 2010. captions paid for by nbc-universal television >>> welcome back to "today," everybody, i'm lester holt. >> and i'm amy robach. i have a feeling we're going to be talking about sarah palin for the next two years quite steadily. >> well when you end up in io